159results about How to "Easy to change clothes" patented technology

The invention discloses a spring fatigue test device, which is used for testing the fatigue strength of a spring (9) to be tested, and comprises a clamp bottom plate (1), a lower positioning plate (3), an upper pressure plate (5) and spring positioning pins (4) for fixing the spring (9) to be tested. The spring (9) to be tested is sleeved on the spring positioning pins (4); and the spring positioning pins (4) are in clearance fit with the mounting holes on a lower positioning plate (3). When the technical scheme is adopted, the clamping is reliable, the spring to be tested can be changed conveniently, the device is suitable for fatigue tests of springs of different specifications, and can replace the conventional manual operation method, improve test efficiency and reduce production cost.

The invention provides a high voltage isolation switch which comprises two insulation pillars which are vertically fixed on an installation plate. The two insulation pillars are fixed with a moving contact and a static contact respectively, the static contact is hinged with an isolator, and another end of the isolator is in overlapping joint with the moving contact, wherein the moving contact and a corresponding binding post are one-piece shaping, the static contact and a corresponding binding post are one-piece shaping, contact between the isolator and the moving contact is a surface to surface contact mode, and conductive connection is realized to reduce loop resistance of the whole isolation switch. Peripheral of the insulation pillar is provided with a parachute cluster which enlarges gradually from one end to another end of the insulation pillar, a screw is pivoted on the static contact, and the screw is sleeved with a disk spring set which presses against the isolator. Since employing the above structure, conduction performance of the high voltage isolation switch is improved, whole loop resistance is substantially reduced to 45-50 micro Omegas, and security and reliability in working are improved.

The invention provides a high sensitivity and high precision optical fiber shape sensing measurement method and system. In the method, a shape sensor is divided into several sections, the change of the Brillouin frequency shift of each section is subjected to average operation to find the corresponding curvature as the bending curvature of the section, so that the curvature of each section can be solved, and thus arcs of equal length in sections are obtained; before the arcs are spliced, the coordinates and the tangent direction of the endpoint of the starting section are first selected, then the bending direction of the arcs needs to be determined, further the tail end of the arc of a previous section is connected with the head end of the arc of a next section in the series, the tangent directions are the same at the connection points, and the restoration of the overall shape is completed. The system comprises a laser, a 50:50 coupler, a first polarization controller, an arbitrary function generator, a first electro-optic modulator, an erbium-doped fiber amplifier, a circulator, a filter, a sensor, a photodetector, a data acquisition card, an isolator, a second electro-optic modulator, a microwave source and a second polarization controller.

The invention discloses a stress peening device which adopts the structure that a motor is fixed on a supporting seat; a working table is mounted on an output shaft of the motor; a three jaw chuck is arranged on one surface of the working table; one end of a supporting rod is mounted in the three jaw chuck, and a workpiece is mounted at the other end of the supporting rod; a front stop block is arranged on the supporting rod in a sleeving manner, and is positioned between the working table and the workpiece; a rear stop block is arranged on the supporting rod in a sleeving manner; one end surface of the rear stop block is jointed with the other end surface of the workpiece; and two spray guns are fixed above the workpiece at one end of the supporting rod through a retaining rod at the top of a work chamber of a shot blasting machine, and are distributed on two sides of the supporting rod. A routine horizontal shot blasting way is changed into a vertically rotating shot blasting way, the opposite spraying on two sides of the workpiece by the two spray guns is realized, due to mutual cancellation of deformation of the two sides of the workpiece, the deformation of the workpiece in the stress peening process is reduced effectively, the out-of-tolerance or rejection loss is reduced, the secondary processing is reduced, and the product quality is improved.

The invention relates to a modular splicing type copper alloy stretching net box and n assembling method thereof. The modular splicing type copper alloy stretching net box comprises a vertical main stressing high-strength polyester fiber belt main framework tape standard part and a horizontal secondary stressing high-strength polyester fiber belt secondary framework tape standard part which are fixed at a crisscross connecting point to form a grid shaped single-side net box tape framework which has the characteristics of flexibility and elasticity; a prefabricated copper alloy stretching net standard module is assembled into each frame of the grid shaped single-side net box tape framework through a prefabricated quick connecting part to form the modular splicing type net box body single-edge side net; two side edges of the single-edge side net are connected through the quick connecting part, or a plurality of single-edge side nets are provided with corner flexible connecting adapting standard parts and bottom nets and then assembled to be a copper alloy stretching net box body. The modular splicing type copper alloy stretching net is applicable to modular and standard production and convenient to be quickly mounted in the sea; a marine breeding net can be maintained well and prevented from being attached by marine fouling organisms; the inside and outside water of the net box body can be exchanged well.

The invention discloses a dual-purpose assembly for tracks. The dual-purpose assembly comprises a front support assembly, a rear bogie assembly, a hydraulic system, an electrical system and a brakingsystem, wherein the front support assembly and the rear bogie assembly are detachably hinged to a chassis of a vehicle through a pin shaft, and electrical liquid pipelines of the front support assembly and the rear bogie assembly are rapidly connected with each pipeline joint female end corresponding to an electro-hydraulic quick-changing panel integrated to the chassis through quick-inserting andquick-changing joint male ends; and a main deflection frame of the front support assembly and a lower end connecting part of the main deflection frame as well as a deflection frame of the rear bogieassembly and a lower end connecting part of the rear bogie assembly are respectively integrally ascended and descended around hinging holes through the stretching and shrinking of the front support assembly and the rear bogie assembly. By utilizing a modular design, the dual-purpose assembly can be adaptive to multiple functional vehicles and is convenient to integrally dismount and mount, and theswitching of different functions of the vehicle is conveniently realized; the track driving speed is relatively high and can reach 70km/h, and the efficiency of the functional vehicles during the tasks of track transition, rescue and the like can be effectively improved.

The invention discloses a hydraulic control pipeline of an excavator, which comprises a pump 1, a pump 2, a pilot pump, a movable arm valve core, a bucket arm valve core, a bucket valve core, a standby valve core and pilot control pipelines, wherein the pump 1, the pump 2 and the pilot pump are connected with an engine; the movable arm valve core, the bucket arm valve core, the bucket valve core and the standby valve core are connected with the pump 1 and the pump 2; and the pilot control pipelines are connected between the pilot pump and valve core pilot ports. The invention is characterized in that the hydraulic control pipeline of the excavator is arranged on a bucket convergence pipeline and connected with a first control pipeline and a second control pipeline in parallel; the first control pipeline is connected with a rotary motor of a hydraulic cutter through an electromagnetic valve; the second control pipeline is connected with a quick-changing device through the electromagnetic valve; and the hydraulic cutter cylinder is connected with the standby valve core. In the invention, two control paths are added on the bucket convergence pipeline to be respectively connected with the rotary motor of the hydraulic cutter and the quick-changing device, and the hydraulic cutter cylinder is connected with the standby valve core, thereby realizing quickly changing of the hydraulic cutter and the bucket, fully displaying the utilization ratio of the excavator, enhancing the functions of the excavator and lowering the construction cost.

The invention provides a protective mask mainly comprising a support frame, a connector, a noise rest and a proactive plate. Two ends of the support frame are provided with cut grooves in which positioning stops are disposed; two ends of the support frame are provided with hanging portions extending rearward; a fastening rod is disposed in the middle of the support frame; the connector is disposed on the fastening rod of the support frame; one end of the connector is provided with a C-shaped fastening groove; the middle of the C-shaped fastening groove is provided with a notch; the other end of the connector is provided with a protrusion which is provided with a circular groove; the nose rest is disposed on the fastening rod of the support frame; the upper end of the noise rest is provided with a fastening portion disposed in the notch of the connector; the fastening portion is provided with a fastening groove; the protective plate is disposed in front of the support frame; the middle of the protective plate is provided with a hole allowing the protrusion of the connector to pass through; two ends of the protective plate are provided with embedding slots; thus, the protective mask closable and allowing adjustable angle of the noise rest is formed.

The invention discloses a method for defoaming a pipeline from the mouth of a gas well to a separator by using a solid defoamer device. The method comprises the following steps of: mounting the solid defoamer device on the gas transmission pipeline between the mouth of the natural gas well and the separator; specially making a defoamer be in a solid state and putting the solid defoamer into the solid defoamer device; enabling the solid defoamer to be in direct contact with transmission fluid; and dissolving the solid defoamer by the transmission fluid. The method has the beneficial effects that: the method is energy-saving and consumption-reducing and has no need of using a plunger pump and electric energy; the solid defoamer device has an automatic adjustment function, when liquid is produced, the solid defoamer is dissolved, when the liquid producing capacity is larger, more solid defoamer is dissolved, and thus, the waste of pharmaceutical products is avoided; the solid defoamer is placed in the solid defoamer device at a time and can be used for a number of days, and the daily putting is not needed, so that the cost for production and maintenance of the gas well is greatly saved, the technical difficulty and the labor intensity in operation are reduced, and the labor power is saved; and the fluid is in sufficient contact with the solid defoamer, the defoaming is complete, and the accident that foams cross a tower can be effectively prevented, so that the method is safe and reliable.

The invention discloses a chain dig device of self-propelled submarine cable embed device, whose compression arm is box covered by chain, front end is pipe inserted into rotational base to form a rotational shaft. Wherein, the rotational base via connection plate is mounted on the body of embed device; the inside hydraulic motor is connected to the chain wheel of dig chain; a caterpillar steel plate with cutting teeth is mounted on the chain; one end of compression hydraulic cylinder is mounted on the frame of embed device while another end is connected to the pipe structure of compression arm; a chain tension device is mounted inside the free arm of compression arm; the lower support is mounted above the compression arm while its one end is connected with one end of compression arm; the compressor is U-shape section frame via the side hinge shaft hinged with compression arm and above the lower support; and one end of open cylinder is hinged with compression arm while another end mounted on the side hinged shaft. The invention apply exchange with simple structure, lower cost and the application in self-propelled or floating self-propelled submarine cable embed device.

The invention relates to a rubber triangular track and tire changeover device and a use method thereof, Includes: a frame, the frame is an L-shaped frame structure, includes a bottom frame and a sideframe secured to and perpendicular to one end of the bottom frame, the bottom frame is provided with a tire lifting mechanism, the tire lifting mechanism is connected with a transmission link mechanism fixed to the side frame, the drive linkage mechanism is connected with a drive mechanism fixed to the bottom frame, the driving mechanism drives the motion of the tire lifting mechanism through thedriving linkage mechanism, A limit position mechanism and an adjusting mechanism are fixed on that top end of the side frame. The changeover device of the invention reduces the dependence of the changing work on the working condition, makes the changeover work of the tire and the triangular track simple and easy, and effectively improves the popularization and application of the rubber triangulartrack and the tire interchanging technology.

The invention relates to the technical field of PVC expansion sheet processing, in particular to a PVC expansion sheet surface decorative paper laminating device, and aims at providing device PVC expansion sheet surface decorative paper laminating device which can be used for uniformly smearing glue, automatically aligning decorative paper and a PVC expansion sheet, pressing and laminating the decorative paper and the PVC expansion sheet, ensuring the laminating effect and improving the laminating efficiency. The PVC expansion sheet surface decorative paper laminating device comprises a base,a machine table, a double-shaft motor and the like. The machine table is fixedly installed on the base, and the double-shaft motor is fixedly installed on one side of the base. By means of a discharging mechanism, discharging of a glue frame can be automatically controlled, a coating wheel can evenly coat the PVC expansion sheet with glue, and the attaching effect of decorative paper is better.

The invention discloses a water suction pump driven by an excavator and used in an emergency. According to the water suction pump driven by the excavator and used in the emergency, a main cavity (1-1) is arranged in a pump body (1), a water outlet (1-2) communicated with the main cavity (1-1) is arranged in the pump body (1), a water suction cavity (1-3) is arranged in the lower potion of the pump body (1), water inlets are formed in the bottom wall and circumferential walls of the water suction cavity (1-3), the upper end of the pump body (1) and a connection seat (3) are fixed through a support seat (2), a hydraulic motor (4) is arranged on the top portion of the connection seat (3), the output end of the hydraulic motor (4) stretches downwards into the connection seat (3) and is connected with the upper end of a pump main shaft (5), the lower end of the pump main shaft (5) penetrates through the connection seat (2) and stretches into the main cavity (1-1) of the pump body (1), and a screw blade (6) is arranged on the end portion of the lower end of the pump main shaft (5). The water suction pump driven by the excavator and used in the emergency can be used for water suction work in the emergency due to the fact that the water suction pump used in the emergency is driven by the excavator and requirements for rapidness and large water suction quantity in the emergency are met.

The invention discloses a method for rapidly reloading a tool string and a wellhead in under-pressure bridge plug and perforation combined work. A plug and pull type wellhead device is connected between a wellhead and a cable blowout preventing pipe, through a hydraulic control system, locking and unlocking actions of a female connector for a male connector can be achieved, the hydraulic control system is remotely controlled, automatic connection and separation of the cable blowout preventing pipe and the wellhead can be achieved, the cable blowout preventing pipe and a tool string are liftedto be close to or away from the wellhead, under the state that the cable blowout preventing pipe is kept vertical, the tool string is subjected to tripping operation for reloading, according to the method, a worker does not need to climb for manual wellhead reloading, a large amount of manpower does not need to be consumed for pulling the tool string from the cable blowout preventing pipe, the number of workers can be reduced by three to four, wellhead and tool string reloading can be easier and simpler, automatic reloading of the cable blowout preventing wellhead can be achieved directly through remote hydraulic pressure control, meanwhile, the link of reversing and erecting the cable blowout preventing pipe can be avoided, compared with the original method, the speed of the wellhead andtool string reloading process can be at least improved by 50%, and high efficiency is achieved.

The invention belongs to the technical field of crop cultivation, and relates to a simple warming and seedling-raising method for rice. The method comprises: selecting varieties; treating seeds; preparing a simple greenhouse; sowing in good time, and timely performing ventilation and hardening seedlings; performing transplantation at a selected time, and managing rice fields well; performing early transplanting against time, and performing reasonable close planting; testing soil and formulating fertilization, and performing balanced fertilization; performing scientific irrigation and performing reasonable promotion and control; and harvesting rice in time. The method has the advantages of simple operation, high flexibility and low difficulty for operation, facilitates a single household to independently raise seedlings regardless of the rice transplanting area, allows early sowing, helps to prolong transplantation time, guarantees to increase the effective accumulated temperature at a seedling stage and prevents seedling rot at a low temperature, and has the advantages that transplantation with soil is realized, leaf change degree of seedlings is light, early growth and quick tillering of seedlings in a rice seedling bed are promoted, and cultivation of multi-tiller robust seedlings are facilitated, and the like.

The invention discloses an umbrella body for a portable multifunctional sanitary room. The umbrella body comprises umbrella ribs, an umbrella stem, a handle and an umbrella fabric. The periphery of the umbrella fabric is connected with a curtain. A curtain collection device is arranged on the umbrella fabric. The umbrella stem consists of an upper section and a lower section, wherein the upper section and the lower section are hinged together. A fixing device which is used for keeping the upper section and the lower section of the umbrella stem to be in a relative fixed state is additionally arranged on the umbrella stem. When the umbrella body is used, the umbrella body is unfolded, the curtain is put down and the umbrella body is fixed at certain height through other methods for use. By using the umbrella body, women can conveniently change clothes or breast-feed babies.

The invention discloses an image measuring head and an image measuring system used for a numerical control milling machine, and the image measuring head and the image measuring system are simple in structural design and are relatively low in cost. The image measuring head can be conveniently and quickly fixed to a main shaft like a tool used for the numerical control milling machine, so that on-position measuring is realized. Moreover, the tool and the measuring head are convenient and quick to replace. Meanwhile, the image measuring head and the image measuring system are high in measuring speed and are beneficial to improving the production efficiency. The measured data can be used as compensation basis of a next workpiece, so that precision consistency of different processed workpieces is improved. More importantly, the image measuring head and the image measuring system can be matched with each shaft of the numerical control milling machine to move, so that geometric quantity measuring for a plurality of processing surfaces of a complex processing part can be realized.

The invention relates to an intelligent virtual fitting method and system, a terminal and a storage medium, and belongs to the field of image processing, and the method comprises the steps of obtaining a fitting request of a current user for a current intelligent fitting mirror; carrying out image acquisition on a current user and obtaining modeling image data; performing face recognition on the current user, and obtaining historical shopping information corresponding to the user identity according to a recognition result; determining shopping preference information of the current user; determining a sub-clothing library which most fits the shopping preference of the current user in a preset clothing database; acquiring clothing information and a current clothing model in the sub-clothing library; obtaining body shape parameters of a user and establishing a human body three-dimensional model; fusing the human body three-dimensional model with the current clothing model to obtain a three-dimensional fitting image; and controlling a display screen to display the three-dimensional fitting image. The application has the effects of simplifying the use steps of the intelligent fitting mirror and improving the use feeling of the user.